28647892

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{373}}^1$

素因数の和:608

約数の個数: 48

約数和(自身を含む): 62161792

約数和(自身を除く): 33513900

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 211, 364, 373, 422, 746, 844, 1477, 1492, 2611, 2743, 2954, 4849, 5222, 5486, 5908, 9698, 10444, 10972, 19201, 19396, 33943, 38402, 67886, 76804, 78703, 135772, 157406, 314812, 550921, 1023139, 1101842, 2046278, 2203684, 4092556, 7161973, 14323946, 28647892]

約数ペア:

[(1, 28647892), (2, 14323946), (4, 7161973), (7, 4092556), (13, 2203684), (14, 2046278), (26, 1101842), (28, 1023139), (52, 550921), (91, 314812), (182, 157406), (211, 135772), (364, 78703), (373, 76804), (422, 67886), (746, 38402), (844, 33943), (1477, 19396), (1492, 19201), (2611, 10972), (2743, 10444), (2954, 9698), (4849, 5908), (5222, 5486)]